Class: QgsDataItemGuiProviderRegistry

This class keeps a list of data item GUI providers that may affect how QgsDataItems behave within the application GUI.

QgsDataItemGuiProviderRegistry is not usually directly created, but rather accessed through QgsGui.instance()->:py:func:dataItemGuiProviderRegistry() <qgis.gui.QgsDataItemGuiProviderRegistry.dataItemGuiProviderRegistry>.

Added in version 3.6.

Methods

addProvider	Adds a provider implementation to the registry.
initializeFromProviderGuiRegistry	Initializes the registry.
providers	Returns the list of available providers.
removeProvider	Removes a provider implementation from the registry.

class qgis.gui.QgsDataItemGuiProviderRegistry

Bases: object

addProvider(self, provider: QgsDataItemGuiProvider | None)

Adds a provider implementation to the registry. Ownership of the provider is transferred to the registry.

Parameters:

provider (Optional[QgsDataItemGuiProvider])

initializeFromProviderGuiRegistry(self, providerGuiRegistry: QgsProviderGuiRegistry | None)

Initializes the registry. The registry needs to be passed explicitly (instead of using singleton) because this gets called from QgsGui constructor.

Added in version 3.10.

Parameters:

providerGuiRegistry (Optional[QgsProviderGuiRegistry])

providers(self) → List[QgsDataItemGuiProvider]

Returns the list of available providers.

Return type:

List[QgsDataItemGuiProvider]

removeProvider(self, provider: QgsDataItemGuiProvider | None)

Removes a provider implementation from the registry. The provider object is automatically deleted.

Parameters:

provider (Optional[QgsDataItemGuiProvider])